Definition of Keen

  • (superl.) Sharp; having a fine edge or point; as, a keen razor, or a razor with a keen edge.
  • (superl.) Acute of mind; sharp; penetrating; having or expressing mental acuteness; as, a man of keen understanding; a keen look; keen features.
  • (superl.) Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.
  • (superl.) Piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc, ; as, a keen wind; the cold is very keen.
  • (superl.) Eager; vehement; fierce; as, a keen appetite.
  • (v. t.) To sharpen; to make cold.
  • (n.) A prolonged wail for a deceased person. Cf. Coranach.
  • (v. i.) To wail as a keener does.

Homophones of Keen